Physiological and Biochemical Responses of Ulva prolifera and Ulva linza to Cadmium Stress

Table 3

Correlation coefficients between RGR and other indices for U.  prolifera and U.  linza.

Index	Correlation coefficient
Chl content	0.072
Car content	0.198
Fv/Fm	0.830**
Yield	0.858**
Cd^2+ content	−0.899**
N content	0.561**
P content	0.687**
OAA	0.766**
Na^+ content	−0.138
K^+ content	0.881**
Ca^2+ content	−0.677**
Mg^2+ content	0.060
Cl^− content	0.444**
K^+/Na^+	0.627**
Ca^2+/Na^+	−0.079
SS content	−0.617**
FAA content	0.828**
PRO content	−0.841**
OA content	0.731**
SP content	0.752**

^∗Significant at 5% level, **significant at 1% level (two-tailed, 𝑛=18).